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Antenna Adapters

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Steve

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Dec 20, 2001
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551
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Jacksons Gap, Alabama
Are there any antenna adapters for M-PAs and M-RKs that let you attach a BNC connector?
I have 2 M-PAs and 2 M-RKs that I would like to use in my car without buying a "convert a com" style set-up. I saw something that probably would work but the price was "too body parts" for me. Any assistance or information would be welcomed



Steve
KD4LCY
KAF9087
 

rmiles

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Bel Air, MD
Steve said:
Are there any antenna adapters for M-PAs and M-RKs that let you attach a BNC connector?
I have 2 M-PAs and 2 M-RKs that I would like to use in my car without buying a "convert a com" style set-up. I saw something that probably would work but the price was "too body parts" for me. Any assistance or information would be welcomed



Steve
KD4LCY
KAF9087
Yes there is. Part Number 19B801496G2 RF Antenna Adapter. However, last time I checked, M/A-Com was selling them for $85.00 each! Oddly enough, you can purchase the EVC (convert-a-com) off eBay for less than half that. I have EVC's and the 19B801496G2 antenna adapter for both M-PA & M-RK's and I sell them for reasonable amounts. PM or email me if you'd like details on purchasing.
 

ElroyJetson

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I've had prototypes made of a lower cost alternative adapter. Rather than screw into the
radio's antenna jack, it replaces the antenna jack completely and provides a BNC connection.

It's meant to give a more accurate power reading and more direct connection to the
antenna launch contacts. It could be permanently installed if you wanted to go that route,
and that would be particularly useful for VHF or UHF radios that might be used with
external antennas or external power amplifiers.

Target price is 25 bucks each if I can get them made in small production runs.
Versions will be made for M-PA/M-PD radios, Jaguars, and 7100/5100 series radios.

They're not available as of yet but I do have working prototypes that I use a lot. They
work quite well.


Elroy
 

Steve

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Dec 20, 2001
Messages
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Location
Jacksons Gap, Alabama
rmiles,

Thanks for the information. That the price I found also. I will ponder the idea and contact you. My 96 Olds Cutlass doesn't have the room I would like but it is the vehicle I have so now the figuring out the mounting options starts.

Steve
KD4LCY
KAF9087
 

MDFR_TCOMM

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BNC Adapter ???

Elroy, correct me if I'm wrong - You have "working prototypes" of a BNC bulkhead connector terminated on a similar manner like the PCS, onto MPA's/MPD's and Jaguar platform?

I have done this before, not only on GE products, but on other manufacturers, and you must emphasize that this modification is not for the novice, if you want to do it right. Thus by doing this, the factory antenna WILL NOT work, but the great thing BNC antennas are a dime a dozen.

I used to do a similar BNC mod on MRK's and they worked awesome.
 

ElroyJetson

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Location
Florida, where you wish you were!
The adapter I've successfully prototyped, and which aren't difficult to make, are direct screw-in replacements for the radio's own antenna jack. On all radios except the 5x00/7x00 series radios, you simply unscrew the radio's antenna jack (a quarter works well for
engaging the drive slot) and replace it with the adapter I make, and on the 5x00/7x00 radios
the procedure is the same but you have to first loosen the setscrew at the rear of the
housing at the antenna boss, with a .050" allen wrench.

It doesn't require you to be technically competent. Any novice can handle it.

The adapters are made from a modified original antenna jack from the radio, and a BNC socket. It takes some lathe work and some soldering work to fit it all together.

Elroy
 
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